ES432977A1 - A procedure for the production of penama and cefama derivatives. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the production of penama and cefama derivatives. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Priority claimed from JP6177771Aexternal-prioritypatent/JPS5442995B2/ja
Priority claimed from JP6177671Aexternal-prioritypatent/JPS557432B2/ja
Priority claimed from JP6268771Aexternal-prioritypatent/JPS5442996B2/ja
Application filed by Fujisawa Pharmaceutical Co LtdfiledCriticalFujisawa Pharmaceutical Co Ltd
Publication of ES432977A1publicationCriticalpatent/ES432977A1/en
A process for the production of derivatives of Pena and Cephama selected from the group consisting of a halogenated derivative of Pena of the formula: **(See formula)** a halogenated derivative of cefama of the formula: **(See formula)** and mixtures thereof, the procedure of which is to react a compound selected from the group consisting of: **(See formula)** where X represents a halogen atom and R1 represents a substituted or unsubstituted amino radical, -SR2 represents a residue of a thiophilic sulfur nucleophile and R3 represents a radical selected from the group consisting of carboxy, protected carboxy, ester, acid amide, anhydride, acid halide, azide and carhoxy salt, with a halogenating agent. (Machine-translation by Google Translate, not legally binding)
ES432977A1971-08-141974-12-16A procedure for the production of penama and cefama derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES432977A1
(en)
Procedure for the manufacture of new esters of 18-azido-18-desoxi-reserpinico acid and its salts (Machine-translation by Google Translate, not legally binding)